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    "description": "Recall ([1], [2], [3]) that N\u03ba denotes the set of all complex valued functions Q which are meromorphic in the open upper half plane C + and such that the kernel NQ: $${N_Q}\\left( {z,\\zeta } \\right):\\left( {Q\\left( z \\right) - \\overline {Q\\left( \\zeta \\right)} } \\right)/\\left( {z - \\overline \\zeta } \\right)$$ (1.1) for z,\u03b6 \u03b5 D Q has \u03ba negative squares (here D Q (\u2282C +) denotes the domain of holomorphy of Q). This means that for arbitrary n \u03b5 Z and z1,z2,...,zn \u03b5 D Q the matrix (NQ(zi,zj)) 1 n has at most \u03ba negative eigenvalues and for at least one choice of n, z1,...,zn it has exactly \u03ba negative eigenvalues. The class No coincides with the Nevanlinna class of all functions which are holomorphic in C + and map C + into C + UR. The following two examples of functions of the class N1 were considered in [2], [4], respectively: $$w\\left( z \\right):\\alpha - z + \\int\\limits_{ - \\infty }^\\infty {\\left( {{{\\left( {t - z} \\right)}^{ - 1}} - t{{\\left( {1 + {t^2}} \\right)}^{ - 1}}} \\right)} d{\\sigma _O}\\left( t \\right),v\\left( z \\right): = \\alpha + \\left( {1/z} \\right) + \\int\\limits_{ - 8}^\\infty {\\left( {{{\\left( {t - z} \\right)}^{ - 1}} - t{{\\left( {1 + {t^2}} \\right)}^{ - 1}}} \\right)} d{\\sigma _1}\\left( t \\right),$$ (1.2) where \u03b1 \u03b5 R and \u03c3o, \u03c3l are nondecreasing functions on R such that $${\\int\\limits_{ - \\infty }^\\infty {\\left( {1 + {t^2}} \\right)} ^{ - 1}}d{\\sigma _j}\\left( t \\right)", 
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